Both OpenAI API and DeepSeek offer free plans. OpenAI API is rated higher at 4.8/5 vs DeepSeek's 4.5/5.
Developer API platform providing access to GPT-4o, DALL-E 3, Whisper, embeddings, and fine-tuning capabilities.
Open-source AI model from China rivaling GPT-4 at a fraction of the cost — shook the AI world in 2025.
Independent analysis based on features, pricing, and user ratings
OpenAI API uniquely offers GPT-4o access, DALL-E 3, Whisper speech-to-text. DeepSeek uniquely offers Open source, Chain-of-thought reasoning, Code generation. Both share 0 features.
Both OpenAI API and DeepSeek offer free plans.
Paid plans only